/*
 * Copyright 2020 Huawei Technologies Co., Ltd.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
 * in compliance with the License. You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed under the License
 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
 * or implied. See the License for the specific language governing permissions and limitations under
 * the License.
 */

package org.edgegallery.atp.utils;

import java.util.Collections;
import java.util.List;
import java.util.Optional;

public class MyOptional {

    /**
     * transfer optional to list.
     * 
     * @param option option object.
     * @param <T> Generic
     * @return
     */
    public static <T> List<T> toList(Optional<T> option) {
        return option.map(Collections::singletonList).orElse(Collections.emptyList());
    }
}
